Banc Llety-spence
Also within
Climate exposure
This is about exposure to a nationwide pressure this habitat type carries — not a verdict on this site's own management.
Peat habitats store centuries of carbon and depend on a stable, waterlogged water table. Warmer, drier summers dry out peat, making it far more vulnerable to wildfire and to carbon release — a pressure that can undo years of restoration work regardless of how well the site is otherwise managed.
Habitats
Geology & landscape
Landscape processes: Peatland / Mire
Description
Description An area of dry moorland lying at an altitude of 360 metres (1170 feet) in the south-western corner of the Nant-y-moch plateau. Moderate sheep-grazing has created a mosaic of dwarf-shrub heath and acidic grassland whilst a dense stand of heather Calluna vulgaris dominates the crown of the hill. These dry heath communities are scarce in Ceredigion where most of the remaining heather moor overlies blanket peat. The lower, south-facing slopes are composed of a species-poor grassland with invasive bracken Pteridium aquilinum and scattered scrub consisting of gorse Ulex europaeus, hawthorn Crataegus monogyna and rowan Sorbus aucuparia. This_grades into close-grazed, dwarf-shrub heath which covers much of the north and west-facing slopes. Bilberry Vaccinium myrtillus is dominant throughout this community with heather and bell heather Erica cinerea abundant. Higher up there is a dense cover of mature heather with infrequent patches of purple moor-grass Molinia caerulea, and crowberry Empetrum nigrum occurs in several places. Diversity is added to the site by springs and flushes which rise on both sides of the hill.
Species mentioned
Show the 9 species mentioned in the description, with red-list status| English name search for this in other sites |
Latin name search with Google |
IUCN / Red List | Type | Family |
|---|---|---|---|---|
| Phalacrocorax aristotelis | Not listed in GB list | bird | phalacrocoracidae | |
| bracken | Pteridium aquilinum | LC | fern | dennstaedtiaceae |
| purple moor grass | Molinia caerulea | LC | grass | poaceae |
| hawthorn | Crataegus monogyna | LC | shrub | rosaceae |
| gorse | Ulex europaeus | LC | shrub | leguminosae |
| bell heather or ling | Calluna vulgaris | NT | shrub dwarf | ericaceae |
| crowberry | Empetrum nigrum | LC | shrub dwarf | empetraceae |
| bell heather | Erica cinerea | NT | shrub dwarf | ericaceae |
| rowan | Sorbus aucuparia | LC | tree | rosaceae |
Insects to look out for
These moths, butterflies and beetles are known to feed on plants recorded at this site, and carry a notable UK conservation status — but a host-plant being present doesn't mean the insect has actually been recorded here. Treat this as "worth watching for," not a confirmed sighting.
| Species | Status | Via host-plant |
|---|---|---|
| Chequered skipper Carterocephalus palaemon |
Endangered | Molinia caerulea |
| Figure of eight Diloba caeruleocephala |
Endangered | Crataegus spp. |
| The lappet Gastropacha quercifolia |
Endangered | Crataegus monogyna |
| Shoulder-striped clover Heliothis maritima |
Endangered | Calluna vulgaris, Erica cinerea |
| Scarce vapourer Orgyia recens |
Endangered | Crataegus spp. |
| Mouse moth Amphipyra tragopoginis |
Vulnerable | Crataegus spp. |
| The sprawler Asteroscopus sphinx |
Vulnerable | Crataegus spp. |
| Broom moth Ceramica pisi |
Vulnerable | Calluna vulgaris, Pteridium aquilinum |
| Large heath Coenonympha tullia |
Vulnerable | Molinia caerulea |
| Mottled umber Erannis defoliaria |
Vulnerable | Crataegus spp., Sorbus aucuparia |
| Satyr pug Eupithecia satyrata |
Vulnerable | Calluna vulgaris |
| True lover's knot Lycophotia porphyrea |
Vulnerable | Calluna vulgaris, Erica cinerea |
| The lackey Malacosoma neustria |
Vulnerable | Crataegus monogyna |
| Pale brindled Phigalia pilosaria |
Vulnerable | Crataegus monogyna |
| Silver studded blue Plebejus argus |
Vulnerable | Calluna vulgaris, Erica cinerea, Ulex spp. |
| Lead belle Scotopteryx mucronata |
Vulnerable | Ulex europaeus |
| The anomalous Stilbia anomala |
Vulnerable | Molinia caerulea |
| Early moth Theria primaria |
Vulnerable | Crataegus monogyna |
| Pale eggar Trichiura crataegi |
Vulnerable | Calluna vulgaris, Crataegus monogyna, Erica cinerea |
| Flounced chestnut Agrochola helvola |
Near Threatened | Calluna vulgaris, Crataegus monogyna |
| Beaded chestnut Agrochola lychnidis |
Near Threatened | Crataegus monogyna |
| Grey chi Antitype chi |
Near Threatened | Crataegus monogyna |
| Garden tiger Arctia caja |
Near Threatened | Pteridium aquilinum, Sorbus aucuparia |
| Rosy marsh moth Coenophila subrosea |
Near Threatened | Empetrum nigrum |
| Silver barred Deltote bankiana |
Near Threatened | Molinia caerulea |
| Grey scalloped Dyscia fagaria |
Near Threatened | Calluna vulgaris, Erica cinerea |
| Large thorn Ennomos autumnaria |
Near Threatened | Crataegus spp. |
| Autumnal rustic Eugnorisma glareosa |
Near Threatened | Calluna vulgaris, Erica cinerea |
| Grey pug Eupithecia subfuscata |
Near Threatened | Crataegus monogyna |
| Double dart Graphiphora augur |
Near Threatened | Crataegus spp. |
| Weaver's wave Idaea contiguaria |
Near Threatened | Calluna vulgaris, Empetrum nigrum |
| Scotch burnet Zygaena exulans |
Near Threatened | Empetrum nigrum |
Host-plant data: Cook et al. (2025), Traits data for the butterflies and macro-moths of Great Britain and Ireland, 2024, UK Centre for Ecology & Hydrology / Butterfly Conservation; and Padovani et al. (2020), Database of Insects and their Food Plants (DBIF), UK Centre for Ecology & Hydrology (both Open Government Licence). Contains data supplied by UK Centre for Ecology & Hydrology.
Plant communities
W25 — Bracken scrub
Pteridium aquilinum-Rubus fruticosus underscrub
Matches 3 species from the description above: Crataegus monogyna, Pteridium aquilinum, Ulex europaeus
Show 53 indicator speciesHedera helix, Acer pseudoplatanus, Fagus sylvatica, Quercus robur, Fraxinus excelsior, Sambucus nigra, Ulex europaeus, Crataegus monogyna, Prunus spinosa, Luzula multiflora, Mnium hornum, Brachythecium rutabulum, Kindbergia praelonga, Angelica sylvestris, Conopodium majus, Heracleum sphondylium, Arum maculatum, Cirsium arvense, Lonicera periclymenum, Silene dioica, Stellaria holostea, Mercurialis perennis, Geranium robertianum, Glechoma hederacea, Teucrium scorodonia, Hyacinthoides non-scripta, Chamerion angustifolium, Circaea lutetiana, Digitalis purpurea, Rumex acetosa, Anemone nemorosa, Ficaria verna, Potentilla erecta, Rosa arvensis, Rosa canina, Rubus fruticosus agg., Rubus idaeus, Galium aparine, Galium mollugo sens.lat., Galium saxatile, Urtica dioica, Viola riviniana, Agrostis capillaris, Anthoxanthum odoratum, Arrhenatherum elatius, Dactylis glomerata, Festuca rubra, Holcus lanatus, Holcus mollis, Poa trivialis, Pteridium aquilinum, Dryopteris dilatata, Dryopteris filix-mas
W20 — Montane scrub
Salix lapponum-Luzula sylvatica scrub
Matches 2 species from the description above: Calluna vulgaris, Empetrum nigrum
Show 107 indicator speciesSalix arbuscula, Salix cinerea, Salix lapponum, Salix myrsinites, Salix phylicifolia, Salix reticulata, Empetrum nigrum, Calluna vulgaris, Salix lanata, Vaccinium myrtillus, Vaccinium uliginosum, Carex atrata, Carex bigelowii, Carex binervis, Carex flacca, Luzula multiflora, Luzula sylvatica, Huperzia selago, Selaginella selaginoides, Aulacomnium palustre, Mnium hornum, Philonotis fontana, Plagiomnium undulatum, Rhizomnium punctatum, Dicranum bonjeanii, Dicranum majus, Dicranum scoparium, Fissidens adianthoides, Racomitrium lanuginosum, Calliergonell cuspidatum, Ctenidium molluscum, Hylocomium splendens, Hypnum callichroum, Hypnum cupressiforme, Palustriella commutatum, Plagiothecium denticulatum, Plagiothecium undulatum, Pleurozium schreberi, Ptilium crista-castrensis, Rhytidiadelphus loreus, Rhytidiadelphus squarrosus, Rhytidiadelphus triquetrus, Sanionia uncinata, Scorpidium revolvens, Thuidium tamariscinum, Atrichum undulatum, Polytrichastrum alpinum, Sphagnum capillifolium, Sphagnum fallax, Sphagnum girgensohnii, Sphagnum palustre, Sphagnum russowii, Sphagnum squarrosum, Sphagnum subnitens, Sphagnum teres, Barbilophozia barbata, Chiloscyphus polyanthos, Diplophyllum albicans, Lophocolea bidentata, Plagiochila porelloides, Ptilidium ciliare, Scapania undulata, Cladonia squamosa, Peltigera canina, Angelica sylvestris, Caltha palustris, Hieraclium spp., Saussurea alpina, Solidago virgaurea, Campanula rotundifolia, Succisa pratensis, Valeriana officinalis, Rhodiola rosea, Vaccinium vitis-idaea, Thymus praecox, Epilobium anagallidifolium, Dactylorhiza viridis, Euphrasia officinalis, Rhinanthus minor, Oxalis acetosella, Oxyria digyna, Polygonum viviparum, Rumex acetosa, Anemone nemorosa, Ranunculus acris, Thalictrum alpinum, Alchemilla alpina, Alchemilla glabra, Filipendula ulmaria, Geum rivale, Galium boreale, Galium saxatile, Saxifraga aizoides, Saxifraga hypnoides, Saxifraga oppositifolia, Saxifraga stellaris, Viola riviniana, Agrostis canina, Agrostis capillaris, Anthoxanthum odoratum, Deschampsia cespitosa, Deschampsia flexuosa, Festuca ovina, Festuca rubra, Nardus stricta, Dryopteris dilatata, Phegopteris connectilis
W21 — Hedgerow scrub, Mixed scrub
Crataegus monogyna-Hedera helix scrub
Matches 2 species from the description above: Crataegus monogyna, Pteridium aquilinum
Show 81 indicator speciesHedera helix, Salix cinerea, Acer pseudoplatanus, Ilex aquifolium, Betula pendula, Corylus avellana, Fagus sylvatica, Quercus robur, Fraxinus excelsior, Malus sylvestris, Sorbus aria, Taxus baccata, Ulmus glabra, Ulmus procera, Sambucus nigra, Viburnum lantana, Euonymus europaeus, Cornus sanguinea, Juniperus communis, Ligustrum vulgare, Clematis vitalba, Rhamnus cathartica, Crataegus laevigata, Crataegus monogyna, Prunus spinosa, Juncus effusus, Plagiomnium undulatum, Brachythecium rutabulum, Kindbergia praelonga, Rhynchostegium confertum, Tamus communis, Heracleum sphondylium, Torilis japonica, Arum maculatum, Arctium minus, Cirsium arvense, Lonicera periclymenum, Moehringia trinervia, Silene dioica, Stellaria graminea, Stellaria holostea, Stellaria media agg., Calystegia sepium, Mercurialis perennis, Geranium robertianum, Iris foetidissima, Glechoma hederacea, Lamium purpureum, Origanum vulgare, Stachys sylvatica, Teucrium scorodonia, Allium ursinum, Hyacinthoides non-scripta, Circaea lutetiana, Rumex sanguineus, Anemone nemorosa, Ranunculus repens, Fragaria vesca, Geum urbanum, Potentilla sterilis, Poterium sanguisorba, Rosa arvensis, Rosa canina, Rubia peregrina, Rubus fruticosus agg., Galium aparine, Urtica dioica, Viola riviniana, Anisantha sterilis, Arrhenatherum elatius, Brachypodium pinnatum, Brachypodium sylvaticum, Bromopsis erecta, Dactylis glomerata, Elytrigia repens, Holcus lanatus, Holcus mollis, Poa trivialis, Asplenium scolopendrium, Pteridium aquilinum, Dryopteris filix-mas
W22 — Hedgerow scrub, Mixed scrub
Prunus spinosa-Rubus fruticosus scrub
Matches 2 species from the description above: Pteridium aquilinum, Ulex europaeus
Show 49 indicator speciesHedera helix, Acer campestre, Corylus avellana, Ulex europaeus, Prunus spinosa, Plagiomnium undulatum, Brachythecium rutabulum, Eurhynchium striatum, Kindbergia praelonga, Thuidium tamariscinum, Atrichum undulatum, Lophocolea bidentata, Achillea millefolium, Cardamine flexuosa, Lonicera periclymenum, Moehringia trinervia, Silene dioica, Silene uniflora, Stellaria media agg., Mercurialis perennis, Geranium robertianum, Stachys sylvatica, Teucrium scorodonia, Hyacinthoides non-scripta, Oxalis acetosella, Digitalis purpurea, Plantago lanceolata, Veronica chamaedrys, Armeria maritima, Rumex acetosa, Filipendula ulmaria, Geum urbanum, Rosa canina, Rubus fruticosus agg., Rubus idaeus, Galium aparine, Urtica dioica, Viola riviniana, Agrostis capillaris, Brachypodium sylvaticum, Dactylis glomerata, Festuca rubra, Holcus lanatus, Holcus mollis, Poa trivialis, Asplenium scolopendrium, Pteridium aquilinum, Dryopteris borreri, Dryopteris filix-mas